Optocouplers / Photocouplers

Optocouplers are a type of isolator that use a low-power optical signal to transmit one signal from one circuit to another independent circuit. Optocouplers are comprised of an infrared LED light source and an integrated photo detector which usually consists of a photodiode and detector circuit. This optical link or coupling provides electrical isolation between the two circuits which makes the trouble shooting and reliability of circuits more straightforward. These devices are often used to provide electrical isolation between digital signals on the same board, but they are also commonly used in medical and industrial instruments, motor control systems, and signal conditioning circuits. Optocouplers have very high input-to-output isolation voltage and low capacitance, which makes them suitable for signal transmission in high speed applications. Additionally, they manage the call back current of the circuit they are connecting, allowing them to protect against overloads.
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H11AG1M


Transistor Output Optocouplers PHOTOTRANSISTOR
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ON Semiconductor 6205
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AUD 0.5035
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MOC8050TVM


Transistor Output Optocouplers Photodarlington
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ON Semiconductor 3502
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AUD 0.3203
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VO615A-1


Transistor Output Optocouplers H.Temp Phototrnstr 40-80 % CTR
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Vishay 3501
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AUD 0.4502
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LTV-715F


Transistor Output Optocouplers Optocoupler
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Lite-On 3473
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AUD 0.3749
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VO615A-7


Vishay Semiconductors Transistor Output Optocouplers Optocoupler DIP4
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Vishay 3468
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AUD 0.1893
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FOD2712A


Transistor Output Optocouplers Isolated Error Amp Optocoupler
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ON Semiconductor 3466
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AUD 0.7758
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TLP2761(TP,E(T


SOP-6 Logic Output Optoisolators ROHS
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Toshiba 3367
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AUD 0.6114
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PS2805-1-F3-A


Transistor Output Optocouplers Optocoupler 4-pin SSOP
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Renesas 3265
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AUD 0.6498
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SFH618A-4


Transistor Output Optocouplers RECOMMENDED ALT 78-VO618A-4
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Vishay 561
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AUD 0.5097
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MOC3063VM


Triac & SCR Output Optocouplers 6Pin600V Optocoupler Zero Cross Triac Dr
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ON Semiconductor 201
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AUD 0.5797
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